As you sip, it changes not just color, but flavor, making it as magical as the make-believe creature it's named for.

According to Starbucks, it starts off "sweet and fruity transforming to pleasantly sour." You can swirl it "to reveal a color-changing spectacle of purple and pink."

And that pink and blue dust on the whipped cream? Starbucks says those are "fairy powders."

sbuxuva Via instagram.com

But what exactly is this magical drink made of?

For starters, a standard Unicorn Frappuccino is made with whole milk and whipped cream. A grande has 410 calories though of course this info changes if you get a lower-fat or non-dairy milk, or skip the whipped cream .

Aside from the milk and ice, the Unicorn Fappuccino is made with a bunch of flavored syrups and sauces Starbucks' Cr me Frappuccino Syrup, vanilla syrup, mango syrup, classic syrup, and white chocolate mocha sauce , and the fairy powders are actually a mixture of sugar and food colorings made from fruit and vegetables.

Sally Tamarkin BuzzFeed News Via starbucks.com

The drink's most magical ingredient of all? Sugar!

Sugar plays an important role in the Unicorn Frappuccino as it's a core ingredient of the syrups and sauces that give the drink its color and flavors.